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OpenSceneG
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OpenSceneG
| Author | SHA1 | Date | |
|---|---|---|---|
|
07d2adec5c |
@@ -69,12 +69,12 @@ Torben Dannhauer
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Sherman Wilcox
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Robert Michael
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Mourad Boufarguine
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Glenn Waldron
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Andr<EFBFBD> Garneau
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Adrian Egli
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Ruben Lopez
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Randall Hopper
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Jan Ciger
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Glenn Waldron
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Gideon May
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Don Tidrow
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Stephane Lamoliatte
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@@ -53,7 +53,7 @@ PROJECT(OpenSceneGraph)
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SET(OPENSCENEGRAPH_MAJOR_VERSION 3)
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SET(OPENSCENEGRAPH_MINOR_VERSION 2)
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SET(OPENSCENEGRAPH_PATCH_VERSION 3)
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SET(OPENSCENEGRAPH_PATCH_VERSION 2)
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SET(OPENSCENEGRAPH_SOVERSION 100)
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# set to 0 when not a release candidate, non zero means that any generated
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65
ChangeLog
65
ChangeLog
@@ -1,68 +1,3 @@
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2015-08-12 08:34 robert
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* src/osgVolume/Shaders/volume_frag.cpp,
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src/osgVolume/Shaders/volume_iso_frag.cpp,
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src/osgVolume/Shaders/volume_lit_frag.cpp,
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src/osgVolume/Shaders/volume_lit_tf_frag.cpp,
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src/osgVolume/Shaders/volume_mip_frag.cpp,
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src/osgVolume/Shaders/volume_tf_frag.cpp,
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src/osgVolume/Shaders/volume_tf_iso_frag.cpp,
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src/osgVolume/Shaders/volume_tf_mip_frag.cpp: Revised shaders to
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catch NVidia length bug that generates NAN's
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2015-08-12 07:41 robert
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* ChangeLog, include/osg/Version: Updated version and ChangeLog for
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release
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2015-08-12 07:38 robert
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* CMakeLists.txt: Updated version number for 3.2.3 release
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2015-08-12 07:37 robert
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* AUTHORS.txt, ChangeLog, README.txt: Updated AUTHORS, ChangeLog
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and README for 3.2.3 release
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2015-08-12 06:50 robert
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* applications/osgversion/Contributors.cpp: Merged Contributors
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list from svn/trunk.
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2015-08-08 08:49 robert
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* src/osgPlugins/zip/ZipArchive.cpp: From Glenn Waldron, fix error
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in ZIP plugin handling of memory buffer
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2015-08-06 10:09 robert
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* src/osgVolume/Shaders/volume_frag.cpp,
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src/osgVolume/Shaders/volume_iso_frag.cpp,
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src/osgVolume/Shaders/volume_lit_frag.cpp,
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src/osgVolume/Shaders/volume_lit_tf_frag.cpp,
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src/osgVolume/Shaders/volume_mip_frag.cpp,
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src/osgVolume/Shaders/volume_tf_frag.cpp,
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src/osgVolume/Shaders/volume_tf_iso_frag.cpp,
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src/osgVolume/Shaders/volume_tf_mip_frag.cpp: Updated
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RayTracedTechnique shaders from svn/trunk.
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2015-08-04 15:52 robert
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* CMakeLists.txt, NEWS.txt: Updated version and NEWS for 3.2.2
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stable release
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2015-08-04 10:37 robert
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* NEWS.txt: Update NEWS to online Contributors list.
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2015-08-04 10:26 robert
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* AUTHORS.txt: Updated AUTHORS
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2015-08-04 10:25 robert
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* ChangeLog, NEWS.txt: Updated ChangeLog and NEWS for 3.2.2 release
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2015-08-04 10:11 robert
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* CMakeLists.txt: Upated rc number to 4
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@@ -23,7 +23,7 @@ more indepth instructions.
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Robert Osfield.
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Project Lead.
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12th August 2015.
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4th July 2014.
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--
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@@ -260,8 +260,7 @@ const char* invalidNames[] =
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"PushStackValueVisitor",
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"RayIntersector",
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"OpenSceneGraph-Data",
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"Node",
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"AlphaFunc"
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"Node"
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};
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@@ -482,9 +481,7 @@ TypoCorrection typoCorrections[] =
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{"Ravsel", "Rav<EFBFBD>elj"},
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{"Ravselj", "Rav<EFBFBD>elj"},
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{"Janik", "Jannik"},
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{"Viganò", "Vigan<EFBFBD>"},
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{"Vigano", "Vigan<EFBFBD>"},
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{"Frashud", "Farshid"}
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{"Viganò", "Vigan<EFBFBD>"}
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};
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@@ -665,15 +662,7 @@ NameCorrection nameCorrections[] =
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{"Bradley", "Baker",
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"Bradley", "Baker Searles"},
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{"PawelKsiezopolski", "",
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"Pawel", "Ksiezopolski"},
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{"Albert", "Luaces",
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"Alberto","Luaces"},
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{"KOS", "",
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"Konstantin","Matveyev"},
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{"WeSee", "",
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"Alois", "Wismer"},
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{"We", "See",
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"Alois", "Wismer"}
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"Pawel", "Ksiezopolski"}
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};
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@@ -20,7 +20,7 @@ extern "C" {
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#define OPENSCENEGRAPH_MAJOR_VERSION 3
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#define OPENSCENEGRAPH_MINOR_VERSION 2
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#define OPENSCENEGRAPH_PATCH_VERSION 3
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#define OPENSCENEGRAPH_PATCH_VERSION 2
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#define OPENSCENEGRAPH_SOVERSION 100
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/* Convenience macro that can be used to decide whether a feature is present or not i.e.
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@@ -641,7 +641,7 @@ ZipArchive::getDataNoLock() const
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{
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data._zipHandle = OpenZip( _filename.c_str(), _password.c_str() );
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}
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else if ( !_membuffer.empty() )
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else if ( _membuffer.empty() )
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{
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data._zipHandle = OpenZip( (void*)_membuffer.c_str(), _membuffer.length(), _password.c_str() );
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}
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@@ -9,7 +9,7 @@ char volume_frag[] = "uniform sampler3D baseTexture;\n"
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"varying vec4 baseColor;\n"
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"\n"
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"void main(void)\n"
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"{\n"
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"{ \n"
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" vec4 t0 = vertexPos;\n"
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" vec4 te = cameraPos;\n"
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"\n"
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@@ -61,17 +61,19 @@ char volume_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const float min_iterations = 2.0;\n"
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" const float max_iterations = 2048.0;\n"
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" const float max_iteratrions = 2048.0;\n"
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" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
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" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
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" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
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" if (num_iterations<2.0) num_iterations = 2.0;\n"
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"\n"
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" vec3 deltaTexCoord=(te-t0).xyz/(num_iterations-1.0);\n"
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" if (num_iterations>max_iteratrions) \n"
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" {\n"
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" num_iterations = max_iteratrions;\n"
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" }\n"
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"\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1.0);\n"
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" vec3 texcoord = t0.xyz;\n"
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"\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0); \n"
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" while(num_iterations>0.0)\n"
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" {\n"
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" vec4 color = texture3D( baseTexture, texcoord);\n"
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@@ -86,7 +88,7 @@ char volume_frag[] = "uniform sampler3D baseTexture;\n"
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" {\n"
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" fragColor = color;\n"
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" }\n"
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" texcoord += deltaTexCoord;\n"
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" texcoord += deltaTexCoord; \n"
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"\n"
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" --num_iterations;\n"
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" }\n"
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@@ -97,6 +99,7 @@ char volume_frag[] = "uniform sampler3D baseTexture;\n"
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" fragColor *= baseColor;\n"
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"\n"
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" if (fragColor.w<AlphaFuncValue) discard;\n"
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" \n"
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" gl_FragColor = fragColor;\n"
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"}\n"
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"\n";
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@@ -10,7 +10,7 @@ char volume_iso_frag[] = "uniform sampler3D baseTexture;\n"
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"varying vec4 baseColor;\n"
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"\n"
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"void main(void)\n"
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"{\n"
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"{ \n"
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" vec4 t0 = vertexPos;\n"
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" vec4 te = cameraPos;\n"
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"\n"
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@@ -62,14 +62,16 @@ char volume_iso_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const float min_iterations = 2.0;\n"
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" const float max_iterations = 2048.0;\n"
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" const float max_iteratrions = 2048.0;\n"
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" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
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" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
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||||
" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
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" if (num_iterations<2.0) num_iterations = 2.0;\n"
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"\n"
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" vec3 deltaTexCoord=(t0-te).xyz/(num_iterations-1.0);\n"
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" if (num_iterations>max_iteratrions) \n"
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" {\n"
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||||
" num_iterations = max_iteratrions;\n"
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||||
" }\n"
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"\n"
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" vec3 deltaTexCoord=(t0-te).xyz/float(num_iterations-1.0);\n"
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" vec3 texcoord = te.xyz;\n"
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"\n"
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" vec4 previousColor = texture3D( baseTexture, texcoord);\n"
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@@ -10,7 +10,7 @@ char volume_lit_frag[] = "uniform sampler3D baseTexture;\n"
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"varying vec4 baseColor;\n"
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"\n"
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"void main(void)\n"
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"{\n"
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"{ \n"
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" vec4 t0 = vertexPos;\n"
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" vec4 te = cameraPos;\n"
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"\n"
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@@ -62,14 +62,16 @@ char volume_lit_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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||||
" const float min_iterations = 2.0;\n"
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||||
" const float max_iterations = 2048.0;\n"
|
||||
" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
|
||||
" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
|
||||
" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
|
||||
" const float max_iteratrions = 2048.0;\n"
|
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" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<2.0) num_iterations = 2.0;\n"
|
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"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/(num_iterations-1.0);\n"
|
||||
" if (num_iterations>max_iteratrions) \n"
|
||||
" {\n"
|
||||
" num_iterations = max_iteratrions;\n"
|
||||
" }\n"
|
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"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1.0);\n"
|
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" vec3 texcoord = t0.xyz;\n"
|
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"\n"
|
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" float normalSampleDistance = 1.0/512.0;\n"
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@@ -113,17 +115,18 @@ char volume_lit_frag[] = "uniform sampler3D baseTexture;\n"
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" {\n"
|
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" fragColor = color;\n"
|
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" }\n"
|
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" texcoord += deltaTexCoord;\n"
|
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" texcoord += deltaTexCoord; \n"
|
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"\n"
|
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" --num_iterations;\n"
|
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" }\n"
|
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"\n"
|
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" fragColor.w *= TransparencyValue;\n"
|
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" if (fragColor.w>1.0) fragColor.w = 1.0;\n"
|
||||
" if (fragColor.w>1.0) fragColor.w = 1.0; \n"
|
||||
"\n"
|
||||
" fragColor *= baseColor;\n"
|
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"\n"
|
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" if (fragColor.w<AlphaFuncValue) discard;\n"
|
||||
" \n"
|
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" gl_FragColor = fragColor;\n"
|
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"}\n"
|
||||
"\n";
|
||||
|
||||
@@ -15,7 +15,7 @@ char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
"varying vec4 baseColor;\n"
|
||||
"\n"
|
||||
"void main(void)\n"
|
||||
"{\n"
|
||||
"{ \n"
|
||||
" vec4 t0 = vertexPos;\n"
|
||||
" vec4 te = cameraPos;\n"
|
||||
"\n"
|
||||
@@ -69,14 +69,16 @@ char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
"\n"
|
||||
" vec3 eyeDirection = normalize((te-t0).xyz);\n"
|
||||
"\n"
|
||||
" const float min_iterations = 2.0;\n"
|
||||
" const float max_iterations = 2048.0;\n"
|
||||
" const float max_iteratrions = 2048.0;\n"
|
||||
" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
|
||||
" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
|
||||
" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
|
||||
" if (num_iterations<2.0) num_iterations = 2.0;\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/(num_iterations-1.0);\n"
|
||||
" if (num_iterations>max_iteratrions) \n"
|
||||
" {\n"
|
||||
" num_iterations = max_iteratrions;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1.0);\n"
|
||||
" vec3 texcoord = t0.xyz;\n"
|
||||
"\n"
|
||||
" float normalSampleDistance = 1.0/512.0;\n"
|
||||
@@ -110,6 +112,7 @@ char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" color.z *= lightScale;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
"\n"
|
||||
" float r = color[3]*TransparencyValue;\n"
|
||||
" if (r>AlphaFuncValue)\n"
|
||||
" {\n"
|
||||
@@ -121,7 +124,7 @@ char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" {\n"
|
||||
" fragColor = color;\n"
|
||||
" }\n"
|
||||
" texcoord += deltaTexCoord;\n"
|
||||
" texcoord += deltaTexCoord; \n"
|
||||
"\n"
|
||||
" --num_iterations;\n"
|
||||
" }\n"
|
||||
|
||||
@@ -9,7 +9,7 @@ char volume_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
"varying vec4 baseColor;\n"
|
||||
"\n"
|
||||
"void main(void)\n"
|
||||
"{\n"
|
||||
"{ \n"
|
||||
" vec4 t0 = vertexPos;\n"
|
||||
" vec4 te = cameraPos;\n"
|
||||
"\n"
|
||||
@@ -61,17 +61,19 @@ char volume_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" t0 = t0 * texgen;\n"
|
||||
" te = te * texgen;\n"
|
||||
"\n"
|
||||
" const float min_iterations = 2.0;\n"
|
||||
" const float max_iterations = 2048.0;\n"
|
||||
" const float max_iteratrions = 2048.0;\n"
|
||||
" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
|
||||
" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
|
||||
" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
|
||||
" if (num_iterations<2.0) num_iterations = 2.0;\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/(num_iterations-1.0);\n"
|
||||
" if (num_iterations>max_iteratrions) \n"
|
||||
" {\n"
|
||||
" num_iterations = max_iteratrions;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1.0);\n"
|
||||
" vec3 texcoord = t0.xyz;\n"
|
||||
"\n"
|
||||
" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
|
||||
" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0); \n"
|
||||
" while(num_iterations>0.0)\n"
|
||||
" {\n"
|
||||
" vec4 color = texture3D( baseTexture, texcoord);\n"
|
||||
@@ -79,17 +81,18 @@ char volume_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" {\n"
|
||||
" fragColor = color;\n"
|
||||
" }\n"
|
||||
" texcoord += deltaTexCoord;\n"
|
||||
" texcoord += deltaTexCoord; \n"
|
||||
"\n"
|
||||
" --num_iterations;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" fragColor.w *= TransparencyValue;\n"
|
||||
" if (fragColor.w>1.0) fragColor.w = 1.0;\n"
|
||||
" if (fragColor.w>1.0) fragColor.w = 1.0; \n"
|
||||
"\n"
|
||||
" fragColor *= baseColor;\n"
|
||||
"\n"
|
||||
" if (fragColor.w<AlphaFuncValue) discard;\n"
|
||||
" \n"
|
||||
" gl_FragColor = fragColor;\n"
|
||||
"}\n"
|
||||
"\n";
|
||||
|
||||
@@ -14,7 +14,7 @@ char volume_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
"varying vec4 baseColor;\n"
|
||||
"\n"
|
||||
"void main(void)\n"
|
||||
"{\n"
|
||||
"{ \n"
|
||||
" vec4 t0 = vertexPos;\n"
|
||||
" vec4 te = cameraPos;\n"
|
||||
"\n"
|
||||
@@ -66,17 +66,19 @@ char volume_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" t0 = t0 * texgen;\n"
|
||||
" te = te * texgen;\n"
|
||||
"\n"
|
||||
" const float min_iterations = 2.0;\n"
|
||||
" const float max_iterations = 2048.0;\n"
|
||||
" const float max_iteratrions = 2048.0;\n"
|
||||
" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
|
||||
" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
|
||||
" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
|
||||
" if (num_iterations<2.0) num_iterations = 2.0;\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/(num_iterations-1.0);\n"
|
||||
" if (num_iterations>max_iteratrions) \n"
|
||||
" {\n"
|
||||
" num_iterations = max_iteratrions;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1.0);\n"
|
||||
" vec3 texcoord = t0.xyz;\n"
|
||||
"\n"
|
||||
" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
|
||||
" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0); \n"
|
||||
" while(num_iterations>0.0)\n"
|
||||
" {\n"
|
||||
" float v = texture3D( baseTexture, texcoord).a * tfScale + tfOffset;\n"
|
||||
@@ -93,7 +95,7 @@ char volume_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" {\n"
|
||||
" fragColor = color;\n"
|
||||
" }\n"
|
||||
" texcoord += deltaTexCoord;\n"
|
||||
" texcoord += deltaTexCoord; \n"
|
||||
"\n"
|
||||
" --num_iterations;\n"
|
||||
" }\n"
|
||||
@@ -104,6 +106,7 @@ char volume_tf_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" fragColor *= baseColor;\n"
|
||||
"\n"
|
||||
" if (fragColor.w<AlphaFuncValue) discard;\n"
|
||||
" \n"
|
||||
" gl_FragColor = fragColor;\n"
|
||||
"}\n"
|
||||
"\n";
|
||||
|
||||
@@ -15,7 +15,7 @@ char volume_tf_iso_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
"varying vec4 baseColor;\n"
|
||||
"\n"
|
||||
"void main(void)\n"
|
||||
"{\n"
|
||||
"{ \n"
|
||||
" vec4 t0 = vertexPos;\n"
|
||||
" vec4 te = cameraPos;\n"
|
||||
"\n"
|
||||
@@ -67,13 +67,14 @@ char volume_tf_iso_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" t0 = t0 * texgen;\n"
|
||||
" te = te * texgen;\n"
|
||||
"\n"
|
||||
" const float min_iterations = 2.0;\n"
|
||||
" const float max_iterations = 2048.0;\n"
|
||||
" const float max_iteratrions = 2048.0;\n"
|
||||
" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
|
||||
" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
|
||||
" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
|
||||
" if (num_iterations<2.0) num_iterations = 2.0;\n"
|
||||
"\n"
|
||||
" if (num_iterations>max_iteratrions)\n"
|
||||
" {\n"
|
||||
" num_iterations = max_iteratrions;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(t0-te).xyz/float(num_iterations-1.0);\n"
|
||||
" vec3 texcoord = te.xyz;\n"
|
||||
@@ -83,7 +84,7 @@ char volume_tf_iso_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" vec3 deltaX = vec3(normalSampleDistance, 0.0, 0.0);\n"
|
||||
" vec3 deltaY = vec3(0.0, normalSampleDistance, 0.0);\n"
|
||||
" vec3 deltaZ = vec3(0.0, 0.0, normalSampleDistance);\n"
|
||||
" \n"
|
||||
"\n"
|
||||
" while(num_iterations>0.0)\n"
|
||||
" {\n"
|
||||
"\n"
|
||||
@@ -133,5 +134,6 @@ char volume_tf_iso_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
"\n"
|
||||
" // we didn't find an intersection so just discard fragment\n"
|
||||
" discard;\n"
|
||||
"\n"
|
||||
"}\n"
|
||||
"\n";
|
||||
|
||||
@@ -14,9 +14,9 @@ char volume_tf_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
"varying vec4 baseColor;\n"
|
||||
"\n"
|
||||
"void main(void)\n"
|
||||
"{\n"
|
||||
" vec4 t0 = vertexPos;\n"
|
||||
" vec4 te = cameraPos;\n"
|
||||
"{ \n"
|
||||
" vec3 t0 = (texgen * vertexPos).xyz;\n"
|
||||
" vec3 te = (texgen * cameraPos).xyz;\n"
|
||||
"\n"
|
||||
" if (te.x>=0.0 && te.x<=1.0 &&\n"
|
||||
" te.y>=0.0 && te.y<=1.0 &&\n"
|
||||
@@ -63,20 +63,19 @@ char volume_tf_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" }\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" t0 = t0 * texgen;\n"
|
||||
" te = te * texgen;\n"
|
||||
" const float max_iteratrions = 2048.0;\n"
|
||||
" float num_iterations = ceil(length(te-t0)/SampleDensityValue);\n"
|
||||
" if (num_iterations<2.0) num_iterations = 2.0;\n"
|
||||
" \n"
|
||||
" if (num_iterations>max_iteratrions) \n"
|
||||
" {\n"
|
||||
" num_iterations = max_iteratrions;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" const float min_iterations = 2.0;\n"
|
||||
" const float max_iterations = 2048.0;\n"
|
||||
" float num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<min_iterations) num_iterations = min_iterations;\n"
|
||||
" else if (num_iterations>max_iterations) num_iterations = max_iterations;\n"
|
||||
" else if (num_iterations!=num_iterations) num_iterations = max_iterations;\n"
|
||||
" vec3 deltaTexCoord=(te-t0)/float(num_iterations-1.0);\n"
|
||||
" vec3 texcoord = t0;\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1.0);\n"
|
||||
" vec3 texcoord = t0.xyz;\n"
|
||||
"\n"
|
||||
" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
|
||||
" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0); \n"
|
||||
" while(num_iterations>0.0)\n"
|
||||
" {\n"
|
||||
" float v = texture3D( baseTexture, texcoord).s * tfScale + tfOffset;\n"
|
||||
@@ -85,7 +84,7 @@ char volume_tf_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" {\n"
|
||||
" fragColor = color;\n"
|
||||
" }\n"
|
||||
" texcoord += deltaTexCoord;\n"
|
||||
" texcoord += deltaTexCoord; \n"
|
||||
"\n"
|
||||
" --num_iterations;\n"
|
||||
" }\n"
|
||||
|
||||
Reference in New Issue
Block a user